WCAG 2.1 · Level AA · Perceivable
WCAG 1.3.4 — Orientation
Content must not lock to a single orientation (portrait or landscape) unless essential.
WCAG 1.3.4 at a glance
Level AA · Principle: Perceivable · Added in WCAG 2.1. Level AA is the conformance target for the ADA, EAA, and Section 508.
What it means
Content must not lock to a single orientation (portrait or landscape) unless essential.
Who it helps
Users with mounted devices or motor disabilities who can’t rotate their screen.
Common failures
- A page that only works in portrait and breaks in landscape
How to meet WCAG 1.3.4
- Support both orientations with responsive CSS
- Avoid orientation locks unless truly essential (e.g. a piano app)
How to test it
Manual — rotate the device and check usability.